SAN Value Considerations TODAY and TOMORROW

1. SAN Value ConsiderationsTODAY and TOMORROW J. Marc George, Sprint Chun Lam, Ph.D., Sprint

2. Affinity of Business Interests • Common goals lead to overlapping processes • These processes are or become automation systems (applications) to execute the business • Customers enter the E-business portal through their browser, then navigate applications to utilize self-service tools.

3. Affinity of Business Interests

4. Distributed Centralization • Each organization is a distributed function, efficiency is the benefit • This organization collaborates as shown to obtain help from another distributed organization • A centralized application is created resulting in economies of scale • Results in a unified customer experience and brand name recognition.

5. SAN Progress • SAN is evolutionary, not revolutionary • SAN Fabric is the successor to FCAL • Disk drives densities increase more rapidly than CPU power • Fiber cabling with fibre protocol adds high throughput, longer distance device connections • Latest enabling technology is the switch • Newest = least mature, most expensive

6. FCAL vs. Fabric Architectures $ / Port Less Effective - Direct Connect ( 1:1 limits Port Scalability ) $ / GB Larger Unit Cost granularity Based upon By the Project cost $ / Port Effective - Fan-In (muxing) of x:1 $ / GB Smaller Unit Cost granularity Trending to lower Effective Unit Cost

7. Increase in Drive Density

8. SAN Trend Summary • Increasing Density • Mature, inexpensive • Enables centralization • Increasing Control of information • Not mature, expensive • Enables previously unsolvable problems, • Centralized Data Recovery, Backup • Less expensive Disaster/Business Recovery

9. Dense Information? • Corporate Data = Intellectual Property • Data handling determines a company’s future • Analogous to physical inventory • Verified for statistical accuracy • Categorized for reference • Filtered to subset or search • Assembled for examination or reporting • Retained as specified by business criteria • Effectiveness can be achieved through higher information densities

10. Path of Innovation • A layered approach to innovation has proven effective – innovation within boundaries • Results in accelerated rate of innovation due to larger participation • Bandwidth went from scarce to abundant in 2000 • Leading to more ports (similar to speed of disk growth) • 2nd generation Erbium lasers lower cost (more ports) and increase range of transmission • Range of transmission will be limited for the SAN by Speed of Light factors, i.e., transaction volume vs. latency • Leading to faster port speeds (more linear growth) • Elimination of Fan-In technique of planning • Moving to planning by path bandwidth with less port compromises

11. Tomorrow’s Changes – page 1 • Re-engineering of Business Systems • Older systems are adapted to allow customer access to needed data • Re-assignment of associates • Personnel layers adjust to manage newly developed customer systems • Help Desk & Order Centers solves only complex problems.

12. Tomorrow’s Changes – page 2 • Leveraging of business systems • Huge Quantities of customers are managed through the self service approach • Customer and Business make a virtual agreement on Product Cost vs. Product Features • Customized Customer experience • AI systems create subtle changes in customer interface, based on likes and habits • Customer loyalty and impulsiveness creates retention and upsell

13. A SAN topology case study • The following diagrams demonstrate an approach for planning large SAN infrastructures • The generic diagram can be adapted for many specific needs

14. A SAN Topology – Redundant

15. A SAN Topology – One Side

16. New Metrics for SAN Architecture • SAN Effectiveness • Density of Information (DI) = Volume of Data (GB) / Physical Space (sq.ft.) • SAN Efficiency • Relative Efficiency = DI (GB/cu.ft.) / Complexity of Delivery ($)